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Table 2 Deviations from preoperative mechanical leg axis in supracondylar osteotomies

From: The impact of mal-angulated femoral rotational osteotomies on mechanical leg axis: a computer simulation model

Angulation Error of the Osteotomy PlanePlaneError in the Mechanical Leg Axis Alignment per Rotation
10°15°20°30°
+/− 5°Sagittal0.4° ± 0.0°0.8° ± 0.0°1.1° ± 0.1°1.5° ± 0.1°2.1° ± 0.2°
Frontal0.1° ± 0.1°0.1° ± 0.1°0.2° ± 0.2°0.4° ± 0.2°0.8° ± 0.3°
+/−  10°Sagittal0.8° ± 0.0°1.5° ± 0.1°2.2° ± 0.1°2.9° ± 0.2°4.2° ± 0.3°
Frontal0.1° ± 0.1°0.3° ± 0.2°0.5° ± 0.3°0.8° ± 0.4°1.5° ± 0.6°
+/−  15°Sagittal1.1° ± 0.0°2.2° ± 0.1°3.3° ± 0.2°4.4° ± 0.2°6.3° ± 0.4°
Frontal0.2° ± 0.1°0.4° ± 0.3°0.7° ± 0.5°1.1° ± 0.7°2.2° ± 1.0°
+/− 20°Sagittal1.5° ± 0.1°2.9° ± 0.1°4.4° ± 0.2°5.8° ± 0.3°8.4° ± 0.6°
Frontal0.2° ± 0.2°0.5° ± 0.5°0.9° ± 0.7°1.4° ± 0.9°2.9° ± 1.3°
+/−  30°Sagittal2.2° ± 0.1°4.3° ± 0.2°6.4° ± 0.3°8.5° ± 0.4°12.4° ± 0.8°
Frontal0.3° ± 0.3°0.7° ± 0.7°1.3° ± 1.0°2.0° ± 1.3°4.0° ± 1.9°
  1. Errors in mechanical leg axis greater than 2° (mean value plus standard deviation) have been marked bold